For problems 1-8 please solve for u (specific internal energy) and h (specific enthalpy), for water (H2O), given the following information. You can check your answers using online quiz HW6e2.1. H20, T = 230°C, P = 5000 kPa 2. H20, T = 200°C, P = 1000 kPa 3. H20, T = 120°C, ʋ = 0.5000 m3/kg 4. H20, P = 600 kPa, ʋ = 0.5000 m3/kg 5. H20, P = 2 kPa, saturated vapor 6. H20, T = 300°C, saturated liquid 7. H20, P = 6000 kPa, x = 0.170 8. H20, T = 330°C, x = 0.850

Two flowing streams of argon gas are adiabatically mixed to form a single flow/stream. one stream is 1.5 kg/s at 400 kpa and 200 c while the second stream is 2kg/s at 500 kpa and 100 ? . it is stated that the exit state of the mixed single flow of argon gas is 150 c and 300 kpa. assuming there is no work output or input during the mixing process, does this process violate either the first or the second law or both? explain and state all your assumptions.

Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise

An ideal otto cycle with air as the working fluid has a compression ratio of 8. the minimum and maximum temperatures in the cycle are 300 k and 1340 k. use constant specific heats at room temperature to determine (a) the amount of heat transferred to the air during the heat- addition kj/kg, (b) the thermal efficiency, and (c) the thermal efficiency of a carnot cycle ope limits. process, in rating between the same temperature